package com.ruoyi.framework.interceptor;

import com.ruoyi.common.core.domain.model.MiniLoginUser;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.framework.security.context.UserContextHolder;
import com.ruoyi.framework.web.service.TokenService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * jwt令牌校验的拦截器
 */
@Slf4j
@Component
public class JwtTokenUserInterceptor implements HandlerInterceptor {

    @Autowired
    private TokenService tokenService;

    /**
     * 校验jwt
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //判断当前拦截到的是Controller的方法还是其他资源
        if (!(handler instanceof HandlerMethod)) {
            //当前拦截到的不是动态方法，直接放行
            return true;
        }

        MiniLoginUser loginUser = tokenService.getMiniLoginUser(request);
        if (loginUser != null) {
            UserContextHolder.setCurrentUser(loginUser);
            return true;
        } else {
            throw new ServiceException("用户未登录", 403);
        }
    }

}
